Bradley, Laura. "Contemporary Drama in the 1960s: A Contested Space." Cooperation and Conflict: GDR Theatre Censorship, 1961-1989. : Oxford University Press, 2010-10-28. Oxford Scholarship Online. 2011-01-01. Date Accessed 22 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199589630.001.0001/acprof-9780199589630-chapter-2>.
Bradley, L.(2010-10-28). Contemporary Drama in the 1960s: A Contested Space. In Cooperation and Conflict: GDR Theatre Censorship, 1961-1989. : Oxford University Press. Retrieved 22 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199589630.001.0001/acprof-9780199589630-chapter-2.
Bradley, Laura. "Contemporary Drama in the 1960s: A Contested Space." In Cooperation and Conflict: GDR Theatre Censorship, 1961-1989. : Oxford University Press, 2010-10-28. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199589630.001.0001/acprof-9780199589630-chapter-2.
Bradley L. Contemporary Drama in the 1960s: A Contested Space. In: Bradley L. Cooperation and Conflict: GDR Theatre Censorship, 1961-1989. Oxford University Press; 2010. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199589630.001.0001/acprof-9780199589630-chapter-2. Accessed May 22, 2013.